X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-snprintf.c;h=38d9935c4c9f0eb5158fb9ce272893f9a53be4d8;hb=cd56634a4a8179fd5a4419fbb3e27211b042ab1c;hp=c1235ef03c6e711477c316ae613363c76df77186;hpb=75d146361fe980e1e1bbb9639edc6fbed5345e82;p=gnulib.git
diff --git a/tests/test-snprintf.c b/tests/test-snprintf.c
index c1235ef03..38d9935c4 100644
--- a/tests/test-snprintf.c
+++ b/tests/test-snprintf.c
@@ -1,10 +1,10 @@
/* Test of snprintf() function.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2014 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -12,30 +12,20 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see . */
/* Written by Bruno Haible , 2007. */
-#ifdef HAVE_CONFIG_H
-# include
-#endif
+#include
#include
-#include
+#include "signature.h"
+SIGNATURE_CHECK (snprintf, int, (char *, size_t, char const *, ...));
+
#include
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- abort (); \
- } \
- } \
- while (0)
+#include "macros.h"
int
main (int argc, char *argv[])
@@ -44,26 +34,39 @@ main (int argc, char *argv[])
int size;
int retval;
+ retval = snprintf (NULL, 0, "%d", 12345);
+ ASSERT (retval == 5);
+
for (size = 0; size <= 8; size++)
{
memcpy (buf, "DEADBEEF", 8);
retval = snprintf (buf, size, "%d", 12345);
+ ASSERT (retval == 5);
if (size < 6)
- {
- ASSERT (retval < 0 || retval >= size);
- if (size > 0)
- {
- ASSERT (memcmp (buf, "12345", size - 1) == 0);
- ASSERT (buf[size - 1] == '\0' || buf[size - 1] == '0' + size);
- }
- ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
- }
+ {
+ if (size > 0)
+ {
+ ASSERT (memcmp (buf, "12345", size - 1) == 0);
+ ASSERT (buf[size - 1] == '\0' || buf[size - 1] == '0' + size);
+ }
+#if !CHECK_SNPRINTF_POSIX
+ if (size > 0)
+#endif
+ ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0);
+ }
else
- {
- ASSERT (retval == 5);
- ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
- }
+ {
+ ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
+ }
}
+ /* Test the support of the POSIX/XSI format strings with positions. */
+ {
+ char result[100];
+ retval = snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
+ ASSERT (strcmp (result, "55 33") == 0);
+ ASSERT (retval == strlen (result));
+ }
+
return 0;
}